Digital data scrambler and descrambler
Digital data signalling systems and apparatus therefor
Digital data transmission systems
Digital data transmit and receive channel modem
Digital demodulator for phase shift keyed signals
Digital differential phase shift keyed modulator
Digital dissolver
Digital frame synchronizing circuit
Digital interface for resynchronizing digital signals
Digital line synchronizer
Digital memory area correlation tracker
Digital modulator
Digital multiplexing system employing remote scanning of a plura
Digital pen using ultrasonic tracking
Digital pressure sensitive electromagnetic pen
Digital printout arrangement with magnetic field carriage drive
Digital PSK modem
Digital regenerator having improving noise immunity
Digital rotary special effects generator
Digital serial transmitter/receiver module